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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2024
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | $ 19,700 | $ 0 |
Guarantee obligations represented by a reduction of the available amount of the company's short term and long term revolving lines of credit | 1,013 | 2,108 |
Merger and acquisition advisory fees | 33,136 |  |
Service fee expense | 5,075 | 4,857 | $ 4,018
Performance Bonds | Line of Credit |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | 5,657 | 5,307 |
Letter of Credit | Line of Credit | Customers |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | 5,751 | 7,867 |
Letters Of Credit, Cash Secured Bank Guarantees | Line of Credit | Customers |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | 1,417 | 789 |
Letter of Credit, No Borrowing Capacity Impact | Line of Credit |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | 3,322 | 4,670 |
Letters of Credit and Performance Bonds | Line of Credit |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | 11,408 | 13,174 |
Custom Bonds | Line of Credit | Affiliated Entity |  |  |
Long-Term Purchase Commitment [Line Items] |  |  |
Borrowings under revolving credit facility | $ 3,866 | $ 4,247 |

X
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X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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